<?php

use application\core\utils\Cache;
use application\core\utils\Convert;
use application\modules\message\model\Comment;

Cache::set( 'notifyNode', null );

//清除评论和回复
$assignmentComments = Comment::model()->fetchAllByAttributes(array('module'=>'assignment'));
$cidArr = Convert::getSubByKey($assignmentComments, 'cid');
if(!empty($assignmentComments)){
	$cidStr = implode( ',', $cidArr );
	Comment::model()->deleteAll("rowid IN({$cidStr})");
	Comment::model()->deleteAllByAttributes(array('module'=>'assignment'));
}